People are destroying large areas of forest every day.. People were using the tennis court, so we couldn’t play.. Stephen Court has just invented an armchair which can play music.. The p
Trang 1UNIT 10 CONSERVATION
I Circle the word in which the letters b or p is silent
II Complete the sentences with the correct form of the appropriate word in the box
conserve erode eliminate circulate destroy
constant pollute defend endanger disappear
1 The world’s rain forests must be safe from………
2 Major steps are being taken to control the……….of beaches
3 Water……….is necessary for hydropower stations
4 People are……….doing harm to the environment
5 The government has made no attempt to reduce soil………
6 He stressed the need to pass a law in nature’s………
7 Many species of plants and animals have been virtually………
Trang 28 Trees, grasses, and other plant life play an important part in the natural………
of water
9 Modern farming practice has led to the virtual……….of this bird
10 The giant panda is an……….species
III Rewrite these sentences Instead of using ‘somebody/ people/ they’ etc, write a passive sentence
1 Someone introduced me to Dr Felix last year
………
2 People are destroying large areas of forest every day
………
3 Somebody has bought the land next to our house
………
4 Somebody had already reported the accident before I phoned
………
5 People were using the tennis court, so we couldn’t play
………
6 You can buy videos like this one anywhere
………
7 Somebody will tell you when you should go in to see the doctor
………
8 Has anybody shown you what to do?
………
9 They should have finished the hotel by the time you arrive
………
Trang 310 Someone has to write the history of the European Community one day
………
11 Nobody told me that George was ill
………
12 They have found an unexploded bomb in Herbert Spuare, and they are evacuating the area
………
13 They are opening the case again because they’re not satisfied with the verdict
………
14 People expect better results soon
………
15 When is someone going to announce the results of the contest?
………
IV Rewrite these sentences beginning with the words provided
1 The manager always welcomes new employees
New employees………
2 Janet’s colleagues gave her a present when she retired
Janet………
3 Thomas Edison invented the phonograph in 1877
The phonograph………
4 Stephen Court has just invented an armchair which can play music
An armchair………
5 Where will your company send you next year?
Trang 4Where will you………
6 During the recession, the film was making people redundant almost every week During the recession, people………
7 Had a special messenger delivered the package before you got to the office?
Had the package………
8 The students usually hold the concerts at the university
The concerts………
9 The scientists are studying the problem carefully
The problem………
10 The police found two children in the forest
Two children………
V Choose the correct form of the verbs
The world’s oceans are so vast that they (1) can cope/ can be coped with the present levels of population However, little (2) is knowing/ is known about the long-term effects of such slow poisoning The most serious problem of modern times is that man (3) is destroying/ is being destroyed the earth’s natural resources and transforming huge areas into wasteland As a result, it (4) is becoming/ is become extremely difficult to grow enough to feed the world’s rapidly increasing population
A way of protecting all the wildlife on the earth must also (5) being found/ be found
as many species (6) have been/ are in danger of disappearing completely from the face
of the earth The dangers, however, (7) do not confine/ are not confined solely to the land and the sea The smoke in the atmosphere, for example, (8) is increasing/ has been increased so much that the amount of sunlight (9) has reduced/ has been reduced
in many cities Man’s whole environment (10) is changing/ is being changed in a serious way
VI Choose the appropriate expression to complete these conversations
Trang 51 A: I feel like having seafood for dinner, but we went to Tai Pak for seafood last night
B: ……… go again? The food’s great, and so is the view
2 A: I’m really tired ……… resting before we go out?
B: That’s good idea I’m tired too
3 A: It’s a lovely day ……… go for a walk?
B: yes, OK
4 A: I want to explore downtown Hong Kong
B: ……… take a minibus? We’ll see a lot more that way
5 A: ……… to stay the night?
B: Oh, that’s very kind of you
6 A: A group of foreign students just checked in at the hotel
B: ……… ask them to join us for dinner
7 A: ……… have some chicken soup first?
B: Not for me, thank you
8 A: I don’t want to go home tomorrow I’m having a really good time here
Trang 6B: So am I……… leave tomorrow
9 A: I still need to buy some souvenirs before we leave
B: ……… go shopping after dinner
10 A: ……… to get you some water?
B: Oh, thanks I’m really thirsty
VII Read the following paragraph, then choose the correct verb form to fill in each blank
When man first learned how to make a fire, he began to use fuel for the first time The first fuel he used was probably wood As time (1)……… man eventually discovered that substances such as coal and oil (2)………
Coal (3)……… very widely as a source of energy until the last century With the coming of the industrial revolution, it was soon realized that production (4)……… if coal was used instead of wood Nowadays, many of the huge factories and electricity generating stations (5)……… to funetion if there was no coal
In the last twenty or thirty years, however, the use of coal (6)…………As a result, there have been changes in the coal industry It (7)…………that more people (8)
…………coal if oil and gas were not so readily available
There is more than enough coal in the world for man’s needs for the next two hundred years if our use of coal (9)…………Unfortunately, however, about half of the world’s coal (10)…………Mining much of it (11)…………very expensive even if it was possible to use new equipment
Trang 72 a are burning b would burn c have burnt d were burnt
VIII Read the following passage carefully, then choose the correct answers
We are all slowly destroying the earth The seas and rivers are too dirty to swim
in There is so much smoke in the air that it is unhealthy to live in many of the world’s cities In one well-known city, for example, poisonous gases from cars pollute the air
so much that traffic policemen have to wear oxygen masks
We have cut down so many trees that there are now vast areas of wasteland all over the world As a result, farmers in parts of Africa cannot grow enough to eat In certain countries in Asia there is too little rice Moreover, we do not take enough care
of the countryside Wild animals are quickly disappearing For instant, tigers are rare
in India now because we have killed too many for them to survive However, it isn’t enough simply to talk about the problem We must act now before it is too late to do anything about it Join us now Save the Earth This is too important to ignore
1 The seas and rivers nowadays………
Trang 8a cannot be swum in b are less dirty than they used to be
2 Smoke………
3 In one well-known city, traffic policemen have to wear oxygen masks………
a in order to protect themselves from being injured
b because there are so many cars on the streets
c in spite of poisonous gases
d because of air pollution
4 Why do farmers in parts of Africa and Asia not grow enough to eat?
a Because many trees have been planted
b Because people cut down many trees
c Because there is too little rice
d Because there are large areas of land that cannot be used
5 Wild animals are………
a in danger of extinction
b being protected from natural environment
c killed so many that they cannot live in the forests
d so rare that they cannot survive
6 What’s the best title for the passage?
Trang 9IX Complete the second sentence so that it has a similar meaning to the first one Use the word in brackets
1 The thief suddenly realized that the police were watching him (watched)
The thief………
2 Cyclists are not allowed to ride on the station platform (must)
Bicycles………
3 She is familiar with working on a computer (used)
She………
4 Without tourism, this area wouldn’t have much income (depends)
This area………
5 The woman felt lonely after her children had gone back to school (whose)
The woman………
6 You’re tired because you stayed up very late last night (earlier)
If………
7 The information I got from the assistant was so confusing that I didn’t know what to
do (such)
The assistant………
8 ‘I really must have a rest,’ Emma said (insisted)
Emma………
9 His latest play has been a great success It was well reviewed by the critics (which) His latest play………
10 I only know this when he has told me about it (do)
Not until………
ĐÁP ÁN:
Trang 10I
II
III
1 I was introduced to Dr Felix last year
2 Large areas of forest are being destroyed every day
3 The land next to our house has been bought
4 The accident had already been reported before I phoned
5 The tennis court was being used, so we couldn’t play
6 Videos like this one can be bought anywhere
7 You will be told when you should go in to see the doctor
8 Have you been shown what to do?
9 The hotel should be finished/should have been finished by the time you arrive
10 The history of the European Community has to be written one day
11 I wasn’t told that George was ill
12 An unexploded bomb has been found in Herbert Square and the area is being evacuated
13 The case is being opened again because they’re not satisfied with the verdict
14 Better results are expected soon
15 When are the results of the contest going to be announced?
Trang 11IV
1 New employees are always welcomed by the manager
2 Janet was given a present by her colleagues when she retired
3 The phonograph was invented by Thomas Edison in 1877
4 An armchair which can play music has just been invented by Stephen Court
5 Where will you be sent by your company next year?
6 During the recession people were being made redundant by the firm almost every week
7 Had the package been delivered by a special messenger before you got to the office?
8 The concerts are usually held at the university by the students
9 The problem is being carefully studied by the scientists
10 Two children were found in the forest by the police
V
VI 1 c 2 c 3 a 4 c 5 c 6 a 7 c 8 a 9 c 10 c
VII 1 d 2 b 3 d 4 d 5 b 6 a 7 d 8 a 9 c 10 b 11 c
VIII 1 d 2 a 3 d 4 d 5 a 6 D
IX
1 The thief suddenly realized that he was being watched by the police
2 Bicycles must not be ridden on the station flatform
3 She is used to working on a computer
Trang 124 This area depends (mostly) on tourism for its income
5 The woman whose children had gone back to school felt lonely
6 If you had gone to bed earlier last night you wouldn’t be tired
7 The assistant gave me such confusing information that I didn’t know what to do
8 Emma insisted on having a rest
9 His latest play, which was well reviewed by the critics, has been a great success
10 Not until he has told me about it, do I know this
THE END